Medical Dictionary
macrospore
noun mac·ro·spore \ˈmak-rō-ˌspōr\
Medical Definition of MACROSPORE
: the larger of two forms of spores produced by certain protozoans (as radiolarians)—called also megaspore; compare microspore 2
Seen & Heard
What made you want to look up macrospore? Please tell us where you read or heard it (including the quote, if possible).